Many transistors are smaller than the eraser on the end of a lead pencil.
很多晶体管都比铅笔头上的橡皮还要小。
Pieces of bread were used to erase lead pencil before rubber came into use.
在橡皮擦使用之前，人们用一片面包来擦铅笔字。
The lead pencil is one of the most used pieces of merchandise in the world.
铅笔是这个世界上使用的最多的商品之一。在所有的书写工具中，它最简单，最方便，最便宜。
The main products are: all kinds of black lead pencil, color lead pencil, craft pen, a special pencil.
主要产品有：各种黑芯铅笔、彩芯铅笔、工艺笔、特殊铅笔。
The main products are black lead pencil, colored pencils, pad printing pencil, laser pencil, rolling gold pencil and other products.
产品主要有黑芯铅笔、彩色铅笔、移印铅笔、镭射铅笔、滚金铅笔等产品。
The main products are black lead pencil, colored pencils, pad printing pencil, laser pencil, rolling gold pencil and other products.
产品主要有黑芯铅笔、彩色铅笔、移印铅笔、镭射铅笔、滚金铅笔等产品。
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